The body of evidence about nuts and children’s health continues to grow, with new local and international research papers regularly published.

Body of evidence

The effect of nut consumption on diet quality, cardiometabolic and gastrointestinal health in children: A systematic review of randomized controlled trials. (2021).
An Australian review paper has found that eating nuts improves kids’ diet quality. Children aged 8-18 years who ate nuts had better intakes of essential nutrients, including mono- and polyunsaturated fats, protein and fibre. The review considered the outcomes of four randomised controlled trials, lasting between three and 16 weeks, and in which nut consumption ranged from 15-30g. The review also found that far less is known about the health benefits (specifically, cardiometabolic and gastrointestinal) of nuts for children, compared with the wealth of evidence in adults.

Association of nuts and unhealthy snacks with subclinical atherosclerosis among children and adolescents with overweight and obesity. (2019)
Participants with the highest nut intake had nearly 60% lower risk of high cIMT, a marker of atherosclerosis, compared to those in the lowest tertile of nut consumption.

Maternal nut intake in pregnancy and child neuropsychological development up to 8 years old: a population-based cohort study in Spain. (2019).
In the first of its kind, a study led by the Barcelona Institute for Global Health found children, whose mothers ate more nuts during the first trimester of pregnancy, achieved the best results in tests measuring cognitive function, attention capacity and working memory.

The Australasian Society of Clinical Immunology and Allergy infant feeding for allergy prevention guidelines. (2019).
The guidelines reinforce the importance of introducing peanut and egg in the first year of life. The optimal timing of introducing other allergens (including tree nuts) is not well understood, although it is still recommended not to delay their introduction.

Effect of hazelnut on serum lipid profile and fatty acid composition of erythrocyte phospholipids in children and adolescents with primary hyperlipidemia: a randomized controlled trial. (2018).
Hazelnuts, both with and without skins significantly reduced LDL cholesterol and increased HDL:LDL cholesterol ratio.

Asian children living in Australia have a different profile of allergy and anaphylaxis than Australian-born children: a state-wide survey. (2018).
Study reveals surprising patterns of allergy/anaphylaxis risk, suggesting that genetics and environment may be an important factor.

Factors associated with body mass index in children and adolescents: An international cross-sectional study. (2018).
Large cross-sectional study shows significant associations between eating nuts (>3x/week) with lower BMI in children and adolescents. Maternal smoking and TV viewing were significantly associated with increased BMI.

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